Which elements are post-transition metals? A. Europium, Gadolinium, Terbium B. Uranium, Neptunium, Plutonium WIL C. Scandium, Titanium, Vanadium D. Gallium, Indium, Thallium

Q: PG³0 О OPG' OPG2 Н Ф OH Он PG³0

A: Organic transformation.

Q: 1. Diels-Alder reactions come in many different types. The following is an intramolecular example,…

A: A Diels-Alder reaction is the reaction between a conjugated dien and an alkene to form a six…

Q: 14 If you are making 100 mL of a 0.1 M HEPES buffer starting from HEPES in the basic form, is it…

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Q: Which of the following liquids would have the highest viscosity at the same temperature? Only one…

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Q: H C-CEC-CH3

A: Orbital diagram involves the orbital orbital overlap between two bonded atoms. In this diagram, lone…

Q: Can you do the dash-wedge bonds with the C-H bonds explicitly drawn as well, please

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Q: Classify the following quantities if extensive or intensive property: 4 a.) Temperature b.) Mass c.)…

A: Given quantities: a) Temperature b) Mass c) Weight d) Volume We have to classify these quantities as…

Q: Write the IUPAC name of the following ALKYNES:  CHΞCH CH3-CH2-CΞCH CHΞC-CH|CH3|-CH2-CH3 (FIRST…

A: Alkynes contains the carbon- carbon triple bonds. According to IUPAC nomenclature system given…

Q: Draw the skeletal structure of butan-1-amine from the condensed formula (shown below).…

A: Answer: Given compound is a primary amine compound containing 4 carbon atoms, 1 nitrogen atom and 11…

Q: Draw the structural formula of the following compounds. 2,3-dibromo-1-pentene 1- 2- Hex-4-en-2-ol 3-…

A: Rule to draw structure-1) First make carbon skelton by using parent name.2) Then after attached the…

Q: Identify one water-soluble impurity that could be removed by washing the recrystallized dulcin with…

A: Dulcin is an artificial sweetener that is nearly 200 times more sweet than sucrose.  Dulcin is…

Q: 1. Give IUPAC names for the follow Cl. CI CH3 Br CH₂

A: IUPAC nomenclature is used for naming the organic compounds as recommended by international union of…

Q: a. What equation should the students use to calculate the percent yield?  b. Calculate the percent…

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Q: Calculate the number of g of iron that can be made from 16.5 g of Fe2O3?

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Q: The relationship between [H+] and acidity? O Not related O Equal O Directly proportional Inversely…

A: We have been asked to find the relationship between acidity and [H+]

Q: What is the pH of a 0.02M solution of HCl? What would the H+ concentration be? What would the OH-…

A: HCl is a strong acid  and it completely dissociates into H+ and Cl- ions. The pH of a solution is…

Q: An aquarium measures 16 in. x 8 in. x 10 in. How many liters of water does it hold? How many…

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Q: Curved arrows are used to illustrate the flow of electrons. Using the provided resonance structures,…

A: The arrows pushing mechanism can be shown as:

Q: (a) . OH محمد (q) HO 0 (d) ت -COH compound?

A: Nuclear magnetic resonance spectroscopy is branch of chemistry in which we deal with shielding and…

Q: 15. What is the entropy change for ice melting, given that the enthalpy of fusion is 6.02 kJ at…

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Q: 5. Lance obtains a silvery metallic unknown. He weighs the metal and finds that he has 60.55g. When…

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Q: Calculate the concentrations of acetic acid (pK₁ = 4.76) and sodium acetate necessary to prepare a…

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Q: Give a clear handwritten answer with explanation...given below some compounds and options....give…

A: Introduction Any material that has the ability to turn blue litmus paper red has an acidity…

Q: Q3. The following fictitious unbalanced REDOX reaction is made of some teachers initials and some…

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Q: Question 7 What type of compound is CH3-CH2-CH3? A) alkane B) branched alkane C) cycloalkane D)…

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Q: D.IComplete the following table of haloalkanes D.1- Chloromethane IExpanded structural formula D.2-…

A: Please find your solution below : Haloalkanes are the hydrocarbons comprising of an alkane in which…

Q: In the figures below, two types of atoms are represented by small white circles and large red…

A: Law of definite composition states that a given compound always contains its constituent atoms in…

Q: 1. Complete the reaction and indicate how IR spectroscopy could be used to monitor the reaction…

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Q: ow many milligrams of total fat are present in each serving? How many grams of cholesterol? How…

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Q: Calcium crystallizes in a face centred cubic struture. The edge length of its unit cell is 558.8pm…

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Q: Draw an “energy level diagram” for a nitrogen atom.

A: ENERGY LEVEL DIAGRAM OF AN ATOM:--Energy level is orbit around the nucleus of atom. •Orbit has…

Q: How many molecules are contained in 25.23 grams of dihydrogen sulfide (H2S)

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Q: Choose the Aromatic compound from the list below: O a) diethyl ether Ob) methanol O c) benzene d)…

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Q: So would this be an acceptable reasoning for the answer-

A: We have to explain why in amide the oxygen is more electrophilic than nitrogen, although the oxygen…

Q: (a) (b) (c) d[B] dt State the differential equation for given by mass action kinetics. Use the…

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Q: What are the similarities and differences between the everyday and technical meanings and uses of…

A: Similarities between the everyday and technical meanings of the terms insoluble and solubility In…

Q: If the caffeine concentration in a particular brand of soda is 2.87 mg/oz, drinking how many cans of…

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Q: Question 15 The relationship between Ka and pOH is? O Directly proportional

A: pH scale is used to measure acidity or basicity of a solution. If pH of solution is less than 7 then…

Q: Resonance, hybridization, Lewis structures: Draw the most important resonance contributor of the…

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Q: Students conducted an analysis of baking soda in chemistry lab. During the activity, they had to…

A: The closeness of measured value to a standard or true value known as accuracy. The closeness of two…

Q: Gaseous ethane (CH₂ CH₂) reacts with gaseous oxygen gas (0₂) to produce gaseous carbon dioxide (CO₂)…

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Q: half-life of the reaction is 31.0 s at 680 °C. art 1 of 2 Calculate the first-order rate constant…

A: Chemical kinetics is branch of chemistry in which we deal with speed at which rate of reaction…

Q: How are you considered to be the "living example of matter".

A: Matter Matter is everything that has mass and takes up space.As an illustration, sound and feelings…

Q: An average gas fireplace uses about 200 gallons (760,000 cm3) of propane gas per year. Assume that…

A: We would use ideal gas equation to calculate the mass of propane used .

Q: What are the resonance structures for CHOCHCHCH3?

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Q: Virial Equation of State The virial equation of state: Z = PVm RT - 1 + B(T) C(T) Vm + V2 m + D(T)…

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Q: MCC powder contains 86.6% proteins and WPI powder contains 93.4% protein. Calculate the amount of…

A: The amount of powder required can be figure out from the concentration of solution required.

Q: Q1. A 100 g soil containing 20% smectitie mineral matter was mixed with 150 mL solution containing…

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Q: Describe each highlighted bond in terms of the overlap of atomic orbitals. (If the highlighted bond…

A: atomic orbitals indicates the electron density in space associated with a particular atom where as…

Q: Calculate the kinetic energy of 150-g baseball moving at a speed of 40. m/s (89 mph). a) 6.0 J…

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